FromPushToPull.ValuesOfMonth.CalculateProportionalBalance C# (CSharp) Метод

        private double CalculateProportionalBalance(int dayOfLatestBalance, int balance, int day, int daysInMonth)
        {
            int countingDays = day - dayOfLatestBalance;
            if (countingDays == 0)
            {
                return 0;
            }
            double rate = (double)countingDays / daysInMonth;
            return (balance * rate);
        }